diff --git a/rules/windows/process_creation/proc_creation_win_susp_rundll32_spawn_explorer.yml b/rules/windows/process_creation/proc_creation_win_susp_rundll32_spawn_explorer.yml new file mode 100644 index 000000000..768001c2a --- /dev/null +++ b/rules/windows/process_creation/proc_creation_win_susp_rundll32_spawn_explorer.yml @@ -0,0 +1,24 @@ +title: RunDLL32 Spawmning Explorer +id: caa06de8-fdef-4c91-826a-7f9e163eef4b +description: Detects RunDLL32.exe spawmning explorer.exe as child, which is very uncommon, often observes Gamarue spawning the explorer.exe process in an unusual way +author: elhoim +status: experimental +date: 2022/04/27 +references: + - https://redcanary.com/blog/intelligence-insights-november-2021/ +tags: + - attack.defense_evasion + - attack.t1218.011 +logsource: + category: process_creation + product: windows +detection: + selection: + ParentImage|endswith: + - '\rundll32.exe' + Image|endswith: + - '\explorer.exe' + condition: selection +falsepositives: + - Unknown +level: high